Box fan cover



FIG. 1 is a perspective view of one embodiment of a box fan cover showing my new design;

FIG. 2 is a front elevation view thereof, the rear elevation view is the same;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is an end view thereof, the opposite end view is the same;

FIG. 6 is a perspective view of a box fan cover showing a second embodiment of my new design; and,

FIG. 7 is a rear elevational view of FIG. 6, the front, end, and top views are the same as those shown for the embodiment of FIG. 1. The sole difference from the first embodiment resides in the rear panel. 

The ornamental design for a box fan cover, as shown and described. 